Microphone relay hearing apparatus



June 5, 1934. A. VEILLEUX MICROPHONE RELAY HEARING APPARATUS Filed April 19, 1935 5 2 4 2 a A r 0 z v w Yam m wm Y .//1/ 96 w i 0 g 4 F'IG.Z

II I I F'IGJZ UNITED STATES PATENT OFFICE MICROPHONE RELAY HEARING APPARATUS Armand Veillenx, St. Georges Beauce, Quebec,

Canada Application April 19, 1933, Serial No. 666.887

1 Claim. (01. 179-107) The invention relates to a microphone relay armature is held between the screws 34 and 35, hearing apparatus, as described in the present one from each side, having the insulating heads specification and illustrated in the accompanying 36 and 37 and this vibration is limited by the drawing that forms part of the same. head 38 of the armature operating within the The invention consists essentially in establishslots 39 in the body pieces 27 and 28. no

ing a magnetic field from which a vibrating an The dental contact 40 projects from the head mature projects as a dental contact, cooperating 38 and preferably terminates in a ball end, the with an amplifier and a source of electric curprojecting portion of the contact extending rent, as pointed out in the claim for novelty through the orifice 42 at the end of the case 20,

' following a description in detail of the contact thus at one end of the vibrating device, the con- 05 member with general reference to the connectact extends outwardly while at the other end, tions. the grip forms the means of handling the vibrator.

The objects of the invention are to enable the It will thus be seen that there is a magnet deaf to hear with distinctness not usually atfield established within the case, and that this tainable with what are known as earphones, and can be operated in contact with the teeth of the 70 thereby eliminate many of the diiliculties incident deaf person, so that this person plainly hears any to social and business intercourse by those suifersound amplified sufiiciently to be recognized. ing from this great affliction; to furnish a portable The cable 23 extends to the amplifier 45, which equipment for each person requiring the apparais of conventional construction and contains a tus, whereby it can be brought into instant use battery forelectrifying the magnetic field and for 75 and insure perfect service in this direction for use in the amplifier, and connected to this amany and all persons suffering from a weakness plifier by the wire 43 is a microphone 44 through in so far as their hearing is concerned, and genwhich the person speaks to the deaf person, and erally to provide a convenience to deaf people by this sound is amplified and by means of the mag- 5 a new system of telephone communication, not netic vibrating contact, the sound reaches the so heretofore available to the deaf. ears of the deaf person. In the drawing, Figure l is a side elevational What I claim is:--

view of the apparatus. A microphone relay hearing apparatus com- Figure 2 is a longitudinal sectional view. prising a micr ph ne a und mplifier and a Figure 3 is an end elevational view. magnetic vibrator comprising a horseshoe mag- Figure 4 is a cross sectional view on the line net embracing the field of an electro-magnet on 44 in Figure 1. either side of a central dental vibrating arma- Figure 5 is a cross sectional view on the line ture held by screws having insulated heads and 5-5 in Figure 1. having a head forming a stop limit in a slot be- 35 Figure 6 is a perspective detail of the vibrator. tween the body parts, said dental armature ter- Figure '7 is an assembled view of the parts to Initiating in a contact to be held to the teeth and this instrument. said electro-magnet being electrically connected Like numerals of reference indicate correspondto said amplifier and microphone. ing parts in the various figures. ARMANI) VEILLEUX. 40 Referring to the drawing, the numeral 15 indicates the vibrating device in which the armature 16 is set in a magnetic field 17, the whole being enclosed in a casing 18 preferably of copper, and made in the form of a handle 19 swelling into a 5 case 20 containing the electrical binding posts 21 and 22 to which the wires from the cable 23 are respectively connected, these binding posts being connected by the wires 24 and 25 to the electromagnet proper, which has the coil 26 en- 50 closed between the body pieces 27 and 28, which in turn are held between the bars 29 and 30 of what is commonly termed a horse-shoe magnet. The iron body pieces 27 and 28 of the magnet are held apart by the brass ring spacers 31 and 32, encircling the vibrating armature 33. This 0 

